Finding the Fourth Proportional to 12,421,086.75, 17,141,661.88 and 7,194,322.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,421,086.75 : 17,141,661.88 = 7,194,322.99 : x
2. Step 2: Convert to fraction form
   12,421,086.75/17,141,661.88 = 7,194,322.99/x
3. Step 3: Cross multiply
   12,421,086.75x = 17,141,661.88 × 7,194,322.99
4. Step 4: Simplify right side
   12,421,086.75x = 123,322,652,169,737.34
5. Step 5: Solve for x
   x = 123,322,652,169,737.34/12,421,086.75
6. Step 6: Final answer
   x = 9,928,491.34